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1 # Copyright 2014 The Chromium Authors. All rights reserved. | 1 # Copyright 2014 The Chromium Authors. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 """Generate template contexts of dictionaries for both v8 bindings and | 5 """Generate template contexts of dictionaries for both v8 bindings and |
6 implementation classes that are used by blink's core/modules. | 6 implementation classes that are used by blink's core/modules. |
7 """ | 7 """ |
8 | 8 |
9 import copy | |
10 import operator | 9 import operator |
11 from v8_globals import includes | 10 from v8_globals import includes |
12 import v8_types | 11 import dart_types |
13 import v8_utilities | 12 from dart_utilities import DartUtilities |
14 | 13 |
15 | 14 |
16 DICTIONARY_H_INCLUDES = frozenset([ | 15 DICTIONARY_H_INCLUDES = frozenset([ |
17 'bindings/core/v8/V8Binding.h', | 16 'bindings/core/v8/V8Binding.h', |
18 'platform/heap/Handle.h', | 17 'platform/heap/Handle.h', |
19 ]) | 18 ]) |
20 | 19 |
21 DICTIONARY_CPP_INCLUDES = frozenset([ | 20 DICTIONARY_CPP_INCLUDES = frozenset([ |
| 21 'bindings/common/ExceptionState.h', |
22 # FIXME: Remove this, http://crbug.com/321462 | 22 # FIXME: Remove this, http://crbug.com/321462 |
23 'bindings/core/v8/Dictionary.h', | 23 'bindings/core/v8/Dictionary.h', |
24 ]) | 24 ]) |
25 | 25 |
26 | 26 |
27 def setter_name_for_dictionary_member(member): | 27 def setter_name_for_dictionary_member(member): |
28 return 'set%s' % v8_utilities.capitalize(member.name) | 28 return 'set%s' % DartUtilities.capitalize(member.name) |
29 | 29 |
30 | 30 |
31 def has_method_name_for_dictionary_member(member): | 31 def has_method_name_for_dictionary_member(member): |
32 return 'has%s' % v8_utilities.capitalize(member.name) | 32 return 'has%s' % DartUtilities.capitalize(member.name) |
33 | 33 |
34 | 34 |
35 # Context for V8 bindings | 35 def unwrap_nullable_if_needed(idl_type): |
| 36 if idl_type.is_nullable: |
| 37 return idl_type.inner_type |
| 38 return idl_type |
| 39 |
| 40 |
| 41 # Context for Dart bindings |
36 | 42 |
37 def dictionary_context(dictionary): | 43 def dictionary_context(dictionary): |
38 includes.clear() | 44 includes.clear() |
39 includes.update(DICTIONARY_CPP_INCLUDES) | 45 includes.update(DICTIONARY_CPP_INCLUDES) |
40 return { | 46 return { |
41 'cpp_class': v8_utilities.cpp_name(dictionary), | 47 'cpp_class': DartUtilities.cpp_name(dictionary), |
42 'header_includes': set(DICTIONARY_H_INCLUDES), | 48 'header_includes': set(DICTIONARY_H_INCLUDES), |
43 'members': [member_context(member) | 49 'members': [member_context(member) |
44 for member in sorted(dictionary.members, | 50 for member in sorted(dictionary.members, |
45 key=operator.attrgetter('name'))], | 51 key=operator.attrgetter('name'))], |
46 'v8_class': v8_utilities.v8_class_name(dictionary), | 52 'dart_class': dart_types.dart_type(dictionary.name), |
| 53 |
47 } | 54 } |
48 | 55 |
49 | 56 |
50 def member_context(member): | 57 def member_context(member): |
51 idl_type = member.idl_type | 58 idl_type = member.idl_type |
52 idl_type.add_includes_for_type() | 59 idl_type.add_includes_for_type() |
53 | 60 idl_type = unwrap_nullable_if_needed(idl_type) |
54 def idl_type_for_default_value(): | |
55 copied_type = copy.copy(idl_type) | |
56 # IdlType for default values shouldn't be nullable. Otherwise, | |
57 # it will generate meaningless expression like | |
58 # 'String("default value").isNull() ? ...'. | |
59 copied_type.is_nullable = False | |
60 return copied_type | |
61 | 61 |
62 def default_values(): | 62 def default_values(): |
63 if not member.default_value: | 63 if not member.default_value: |
64 return None, None | 64 return None, None |
65 if member.default_value.is_null: | 65 if member.default_value.is_null: |
66 return None, 'v8::Null(isolate)' | 66 return None, 'v8::Null(isolate)' |
67 cpp_default_value = str(member.default_value) | 67 cpp_default_value = str(member.default_value) |
68 v8_default_value = idl_type_for_default_value().cpp_value_to_v8_value( | 68 v8_default_value = idl_type.cpp_value_to_v8_value( |
69 cpp_value=cpp_default_value, isolate='isolate', | 69 cpp_value=cpp_default_value, isolate='isolate', |
70 creation_context='creationContext') | 70 creation_context='creationContext') |
71 return cpp_default_value, v8_default_value | 71 return cpp_default_value, v8_default_value |
72 | 72 |
73 cpp_default_value, v8_default_value = default_values() | 73 cpp_default_value, dart_default_value = default_values() |
| 74 |
| 75 dart_enum_expression = idl_type.enum_validation_expression |
| 76 if dart_enum_expression: |
| 77 dart_enum_expression = dart_enum_expression.format(param_name='string') |
74 | 78 |
75 return { | 79 return { |
76 'cpp_default_value': cpp_default_value, | 80 'cpp_default_value': cpp_default_value, |
77 'cpp_type': idl_type.cpp_type, | 81 'cpp_type': idl_type.cpp_type, |
78 'cpp_value_to_v8_value': idl_type.cpp_value_to_v8_value( | 82 'cpp_value_to_dart_value': idl_type.cpp_value_to_dart_value( |
79 cpp_value='impl->%s()' % member.name, isolate='isolate', | 83 cpp_value='impl->%s()' % member.name, |
80 creation_context='creationContext', | 84 creation_context='creationContext', |
81 extended_attributes=member.extended_attributes), | 85 extended_attributes=member.extended_attributes), |
| 86 'enum_validation_expression': dart_enum_expression, |
82 'has_method_name': has_method_name_for_dictionary_member(member), | 87 'has_method_name': has_method_name_for_dictionary_member(member), |
| 88 'is_object': idl_type.name == 'Object', |
83 'name': member.name, | 89 'name': member.name, |
84 'setter_name': setter_name_for_dictionary_member(member), | 90 'setter_name': setter_name_for_dictionary_member(member), |
85 'v8_default_value': v8_default_value, | 91 'dart_default_value': dart_default_value, |
86 } | 92 } |
87 | 93 |
88 | 94 |
89 # Context for implementation classes | 95 # Context for implementation classes |
90 | 96 |
91 def dictionary_impl_context(dictionary, interfaces_info): | 97 def dictionary_impl_context(dictionary, interfaces_info): |
92 includes.clear() | 98 includes.clear() |
93 header_includes = set(['platform/heap/Handle.h']) | 99 header_includes = set(['platform/heap/Handle.h']) |
94 return { | 100 return { |
95 'header_includes': header_includes, | 101 'header_includes': header_includes, |
96 'cpp_class': v8_utilities.cpp_name(dictionary), | 102 'cpp_class': DartUtilities.cpp_name(dictionary), |
97 'members': [member_impl_context(member, interfaces_info, | 103 'members': [member_impl_context(member, interfaces_info, |
98 header_includes) | 104 header_includes) |
99 for member in dictionary.members], | 105 for member in dictionary.members], |
100 } | 106 } |
101 | 107 |
102 | 108 |
103 def member_impl_context(member, interfaces_info, header_includes): | 109 def member_impl_context(member, interfaces_info, header_includes): |
104 idl_type = member.idl_type | 110 idl_type = unwrap_nullable_if_needed(member.idl_type) |
| 111 is_object = idl_type.name == 'Object' |
105 | 112 |
106 def getter_expression(): | 113 def getter_expression(): |
107 if idl_type.impl_should_use_nullable_container: | 114 if idl_type.impl_should_use_nullable_container: |
108 return 'm_%s.get()' % member.name | 115 return 'm_%s.get()' % member.name |
109 return 'm_%s' % member.name | 116 return 'm_%s' % member.name |
110 | 117 |
111 def has_method_expression(): | 118 def has_method_expression(): |
112 if (idl_type.impl_should_use_nullable_container or | 119 if idl_type.impl_should_use_nullable_container or idl_type.is_enum or id
l_type.is_string_type: |
113 idl_type.is_string_type): | |
114 return '!m_%s.isNull()' % member.name | 120 return '!m_%s.isNull()' % member.name |
| 121 elif is_object: |
| 122 return '!(m_{0}.isEmpty() || m_{0}.isNull() || m_{0}.isUndefined())'
.format(member.name) |
115 else: | 123 else: |
116 return 'm_%s' % member.name | 124 return 'm_%s' % member.name |
117 | 125 |
118 def member_cpp_type(): | 126 def member_cpp_type(): |
119 member_cpp_type = idl_type.cpp_type_args(used_in_cpp_sequence=True) | 127 member_cpp_type = idl_type.cpp_type_args(used_in_cpp_sequence=True) |
120 if idl_type.impl_should_use_nullable_container: | 128 if idl_type.impl_should_use_nullable_container: |
121 return v8_types.cpp_template_type('Nullable', member_cpp_type) | 129 return dart_types.cpp_template_type('Nullable', member_cpp_type) |
122 return member_cpp_type | 130 return member_cpp_type |
123 | 131 |
| 132 cpp_default_value = None |
| 133 if member.default_value and not member.default_value.is_null: |
| 134 cpp_default_value = str(member.default_value) |
| 135 |
124 header_includes.update(idl_type.impl_includes_for_type(interfaces_info)) | 136 header_includes.update(idl_type.impl_includes_for_type(interfaces_info)) |
125 return { | 137 return { |
| 138 'cpp_default_value': cpp_default_value, |
126 'getter_expression': getter_expression(), | 139 'getter_expression': getter_expression(), |
127 'has_method_expression': has_method_expression(), | 140 'has_method_expression': has_method_expression(), |
128 'has_method_name': has_method_name_for_dictionary_member(member), | 141 'has_method_name': has_method_name_for_dictionary_member(member), |
| 142 'is_object': is_object, |
129 'is_traceable': (idl_type.is_garbage_collected or | 143 'is_traceable': (idl_type.is_garbage_collected or |
130 idl_type.is_will_be_garbage_collected), | 144 idl_type.is_will_be_garbage_collected), |
131 'member_cpp_type': member_cpp_type(), | 145 'member_cpp_type': member_cpp_type(), |
132 'name': member.name, | 146 'name': member.name, |
133 'rvalue_cpp_type': idl_type.cpp_type_args(used_as_rvalue_type=True), | 147 'rvalue_cpp_type': idl_type.cpp_type_args(used_as_rvalue_type=True), |
134 'setter_name': setter_name_for_dictionary_member(member), | 148 'setter_name': setter_name_for_dictionary_member(member), |
135 } | 149 } |
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